Base | Representation |
---|---|
bin | 10001111000000… |
… | …111111010000101 |
3 | 202220100202220222 |
4 | 101320013322011 |
5 | 1103240101000 |
6 | 45432234125 |
7 | 10301215163 |
oct | 2170077205 |
9 | 686322828 |
10 | 299925125 |
11 | 144333205 |
12 | 8453b945 |
13 | 4a1a29b6 |
14 | 2bb94233 |
15 | 1b4e6a85 |
hex | 11e07e85 |
299925125 has 12 divisors (see below), whose sum is σ = 374548356. Its totient is φ = 239785200.
The previous prime is 299925121. The next prime is 299925133. The reversal of 299925125 is 521529992.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 6 ways, for example, as 145395364 + 154529761 = 12058^2 + 12431^2 .
It is not a de Polignac number, because 299925125 - 22 = 299925121 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (299925121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192851 + ... + 194399.
It is an arithmetic number, because the mean of its divisors is an integer number (31212363).
Almost surely, 2299925125 is an apocalyptic number.
299925125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
299925125 is a deficient number, since it is larger than the sum of its proper divisors (74623231).
299925125 is an frugal number, since it uses more digits than its factorization.
299925125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3113 (or 1554 counting only the distinct ones).
The product of its digits is 145800, while the sum is 44.
The square root of 299925125 is about 17318.3464857359. The cubic root of 299925125 is about 669.3772523458.
The spelling of 299925125 in words is "two hundred ninety-nine million, nine hundred twenty-five thousand, one hundred twenty-five".
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